A chunk of the "true cross" is held in this small Portuguese church where modern day exorcisms are said to be common place.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

A neolithic tomb converted into a tiny chapel.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

Dead weights honor the dead of Portugal's fishing industry.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

This abandoned five-star hotel is now a five-star urban exploration destination.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

Rebuilt remains of a temple to Roman god Mithras.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

The 16th-century church was kept in its ruined state as a reminder of the casualties of World War I.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

A garden in Lisbon filled with giant porcelain creatures.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

This small chapel is built of human bones and decorated with a golden skeleton.

This Manchester laundromat is hiding something.